250910080

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6427}}^1$

素因数の和:6507

約数の個数: 64

約数和(自身を含む): 609760080

約数和(自身を除く): 358850000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 488, 610, 640, 976, 1220, 1952, 2440, 3904, 4880, 6427, 7808, 9760, 12854, 19520, 25708, 32135, 39040, 51416, 64270, 102832, 128540, 205664, 257080, 392047, 411328, 514160, 784094, 822656, 1028320, 1568188, 1960235, 2056640, 3136376, 3920470, 4113280, 6272752, 7840940, 12545504, 15681880, 25091008, 31363760, 50182016, 62727520, 125455040, 250910080]

約数ペア:

[(1, 250910080), (2, 125455040), (4, 62727520), (5, 50182016), (8, 31363760), (10, 25091008), (16, 15681880), (20, 12545504), (32, 7840940), (40, 6272752), (61, 4113280), (64, 3920470), (80, 3136376), (122, 2056640), (128, 1960235), (160, 1568188), (244, 1028320), (305, 822656), (320, 784094), (488, 514160), (610, 411328), (640, 392047), (976, 257080), (1220, 205664), (1952, 128540), (2440, 102832), (3904, 64270), (4880, 51416), (6427, 39040), (7808, 32135), (9760, 25708), (12854, 19520)]